Toronto, ON – April 12, 2022 – Sierra Metals Inc. (TSX: SMT) (NYSE American: SMTS) (BVL: SMT) (“Sierra Metals” or the “Company”) will release Q1-2022 financial results on Wednesday May 11th, 2022 after Market Close. Senior Management will also host a webcast and conference call on Thursday May 12th, 2022 at 11:00am EST. Details of the Conference Call and Webcast are as follows: